Patents by Inventor Carl R. Schwichtenberg

Carl R. Schwichtenberg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Material for magnetostrictive sensors and other applications based on ferrite materials
    Patent number: 6352649
    Abstract: The present invention provides magnetostrictive composites that include an oxide ferrite and metallic binders which provides mechanical properties that make the magnetostrictive compositions effective for use as sensors and actuators.
    Type: Grant
    Filed: April 17, 2000
    Date of Patent: March 5, 2002
    Assignee: Iowa State University Research Foundation Inc.
    Inventors: R. William McCallum, John E. Snyder, Kevin W. Dennis, Carl R. Schwichtenberg, David C. Jiles
  • Material for magnetostrictive sensors and other applications based on ferrite materials
    Patent number: 6093337
    Abstract: The present invention provides magnetostrictive compositions that include an oxide ferrite which provides mechanical properties that make the magnetostrictive compositions effective for use as sensors and actuators.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: July 25, 2000
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: R. William McCallum, John E. Snyder, Kevin W. Dennis, Carl R. Schwichtenberg, David C. Jiles